Writing instrument



FIG. 1 is a front elevational view of a writing instrument showing our new design;

FIG. 2 is a left side elevational view of the writing instrument the other side being a mirror image thereof;

FIG. 3 is a front elevational view of the writing instrument with the cap removed;

FIG. 4 is a top plan view of the writing instrument with the cap removed;

FIG. 5 is a bottom plan view of the writing instrument with the cap removed;

FIG. 6 is a right side view of the cap, the opposite side being a mirror image thereof;

FIG. 7 is a top plan view of the cap; and,

FIG. 8 is a bottom plan view of the cap. 

The ornamental design for a writing instrument, as shown and described. 